diff options
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/watchdog/mv64x60_wdt.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/char/watchdog/mv64x60_wdt.c b/drivers/char/watchdog/mv64x60_wdt.c index e990e3af8be..7b481277638 100644 --- a/drivers/char/watchdog/mv64x60_wdt.c +++ b/drivers/char/watchdog/mv64x60_wdt.c @@ -132,6 +132,7 @@ static int mv64x60_wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { int timeout; + int options; void __user *argp = (void __user *)arg; static struct watchdog_info info = { .options = WDIOF_SETTIMEOUT | @@ -157,7 +158,15 @@ static int mv64x60_wdt_ioctl(struct inode *inode, struct file *file, return -EOPNOTSUPP; case WDIOC_SETOPTIONS: - return -EOPNOTSUPP; + if (get_user(options, (int __user *)argp)) + return -EFAULT; + + if (options & WDIOS_DISABLECARD) + mv64x60_wdt_handler_disable(); + + if (options & WDIOS_ENABLECARD) + mv64x60_wdt_handler_enable(); + break; case WDIOC_KEEPALIVE: mv64x60_wdt_service(); |